Re: alter table change type column - Mailing list pgsql-general

From Bruce Momjian
Subject Re: alter table change type column
Date
Msg-id 200303241727.h2OHRVk13075@candle.pha.pa.us
Whole thread Raw
In response to Re: alter table change type column  (Dennis Gearon <gearond@cvc.net>)
List pgsql-general
Uh, indexes get dropped, I think.  I am not sure about functions --- I
don't think so because we don't always know what columns are referenced
in a function.

---------------------------------------------------------------------------

Dennis Gearon wrote:
> BTW, do the functions and indexes automatically get dropped if they are
> referencing a column that gets dropped?
>
> Bruce Momjian wrote:
> > Yes, afraid so.
> >
> > ---------------------------------------------------------------------------
> >
> > Dennis Gearon wrote:
> >
> >>And then redo all the triggers and indexes also?
> >>
> >>Bruce Momjian wrote:
> >>
> >>>No, we have not implemented that.  You can add a column, copy the data
> >>>over from the old column, then drop the old column and rename the new
> >>>column.
> >>>
> >>>
> >>>---------------------------------------------------------------------------
> >>>
> >>>=?iso-8859-1?Q?frank=5Flupo?= wrote:
> >>>
> >>>
> >>>>Is possible to alter table change type of column?
> >>>>
> >>>>
> >>>>Bye !!
> >>>>Frank Lupo (Wolf) !!
> >>>>
> >>>>   /\_ _/\
> >>>>   \ o o /
> >>>>--ooo-----ooo---
> >>>>
> >>>>
> >>>>
> >>>>--
> >>>>Prendi GRATIS l'email universale che... risparmia: http://www.email.it/f
> >>>>
> >>>>Sponsor:
> >>>>Conto Arancio, il migliore amico dei tuoi risparmi.
> >>>>Clicca qui: http://adv.email.it/cgi-bin/foclick.cgi?mid=668&d=24-3
> >>>>
> >>>>
> >>>>---------------------------(end of broadcast)---------------------------
> >>>>TIP 6: Have you searched our list archives?
> >>>>
> >>>>http://archives.postgresql.org
> >>>>
> >>>
> >>>
> >>
> >
>
>

--
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  pgman@candle.pha.pa.us               |  (610) 359-1001
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